From 3eebf41f604cfaa64faeb1859ec07eb10674470c Mon Sep 17 00:00:00 2001
From: Li Jun <jun.li@nxp.com>
Date: Tue, 3 Aug 2021 15:38:07 +0800
Subject: [PATCH] LF-4259-1 phy: add debugfs root entry
Add a root debugfs dir for generic phy subsystem.
Reviewed-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
---
drivers/phy/phy-core.c | 5 +++++
include/linux/phy/phy.h | 2 ++
2 files changed, 7 insertions(+)
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index 71cb1082632626..3fb7b34f994966 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -11,6 +11,7 @@
#include <linux/export.h>
#include <linux/module.h>
#include <linux/err.h>
+#include <linux/debugfs.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/of.h>
@@ -24,6 +25,8 @@ static DEFINE_MUTEX(phy_provider_mutex);
static LIST_HEAD(phy_provider_list);
static LIST_HEAD(phys);
static DEFINE_IDA(phy_ida);
+struct dentry *phy_debugfs_root;
+EXPORT_SYMBOL_GPL(phy_debugfs_root);
static void devm_phy_release(struct device *dev, void *res)
{
@@ -1163,6 +1166,8 @@ static int __init phy_core_init(void)
phy_class->dev_release = phy_release;
+ phy_debugfs_root = debugfs_create_dir("phy", NULL);
+
return 0;
}
device_initcall(phy_core_init);
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index e435bdb0bab355..95465cd7811db6 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -201,6 +201,8 @@ static inline void *phy_get_drvdata(struct phy *phy)
return dev_get_drvdata(&phy->dev);
}
+extern struct dentry *phy_debugfs_root;
+
#if IS_ENABLED(CONFIG_GENERIC_PHY)
int phy_pm_runtime_get(struct phy *phy);
int phy_pm_runtime_get_sync(struct phy *phy);
--
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